86391101 has 2 divisors, whose sum is σ = 86391102. Its totient is φ = 86391100.

The previous prime is 86391083. The next prime is 86391103. The reversal of 86391101 is 10119368.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 37810201 = 6970^2 + 6149^2 .

It is a cyclic number.

It is not a de Polignac number, because 86391101 - 2¹⁰ = 86390077 is a prime.

Together with 86391103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86391103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43195550 + 43195551.

It is an arithmetic number, because the mean of its divisors is an integer number (43195551).

Almost surely, 2^86391101 is an apocalyptic number.

It is an amenable number.

86391101 is a deficient number, since it is larger than the sum of its proper divisors (1).

86391101 is an equidigital number, since it uses as much as digits as its factorization.

86391101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 86391101 is about 9294.6813285879. The cubic root of 86391101 is about 442.0686014471.

The spelling of 86391101 in words is "eighty-six million, three hundred ninety-one thousand, one hundred one".